principle of least action
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(physics) also known as the stationary action principle. In complex systems, the tendency for any movement or change to use the least action, and therefore amount of energy possible. This is true on a subatomic level, on the population level (evolution), and on a macro level. Not considered a law of physics because it is not true 100% of the time.
principle of least action
Although not considered an absolute law, the principle of least action often guides physicists in predicting how systems—from subatomic particles to whole ecosystems—evolve along paths that minimize action.
Although not considered an absolute law, the principle of least action often guides physicists in predicting how systems—from subatomic particles to whole ecosystems—evolve along paths that minimize action.
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